| Event | 2018 SSE Airtricity Dublin - Marathon |
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| Name | Derek O Brien | Club | PORTMARNOCK A.C. | Race Number | 6246 | Date | 28/10/2018 |
| Gender | Male | Gender Position | 3982 of 10828 | Category | M40 | Category Position | 997 of 2365 |
| 10K | 00:51:35 | Stage Position | 4379 |
| Halfway | 01:50:28 | Stage Position | 4989 |
| 30K | 02:39:43 | Stage Position | 5120 |
| Gun Time | 03:59:39 | Overall Position | 4549 |
| Chip Time | 03:44:18 | Chip Position | 4292 |
| YouTube | YouTube |